<style>
 
/* Z-index of #mask must lower than #boxes .window */
#mask {
  position:absolute;
  z-index:9000;
  background-color:#000000;
  display:none;
}
   
#boxes .window {
  position:absolute;
  width:440px;
  height:200px;
  display:none;
  z-index:9999;
  padding:20px;
}
 
 
/* Customize your modal window here, you can add background image too */
#boxes #dialog {
  width:375px; 
  height:203px;

}
</style>
